<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录</title>
    <!-- 引入axios -->
    <script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
    <!-- 引入Vue -->
    <script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>

</head>

<body>
    <div>
        <center>
            <h1>登录</h1>
            <input type="text" v-model="user.username" placeholder="用户名">
            <input type="password" v-model="user.password" placeholder="密码"><br>
            <input type="button" value="登录" @click="login()">
        </center>
    </div>


    <script>
        let v = new Vue({
            el: "body>div",
            data: {
                user: {
                    username: "",
                    password: ""
                }
            },
            methods: {
                login() {
                    axios.post("/login", v.user).then(function (responses) {
                        if (responses.data == 1) {
                            alert("登录成功!");
                            location.href = "/";
                        } else if (responses.data == 2) {
                            alert("密码错误!")
                        } else {
                            alert("用户名不存在!")
                        }
                    })
                }
            }
        })
    </script>
</body>

</html>